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Networking - Internetworking - Discussion

Discussion Forum : Internetworking - Internetworking (Q.No. 2)
Internetworking
2.
Routers operate at layer _____. LAN switches operate at layer _____. Ethernet hubs operate at layer _____. Word processing operates at layer _____.
3, 3, 1, 7
3, 2, 1, none
3, 2, 1, 7
3, 3, 2, none
Answer: Option
Explanation:
Routers operate at layer 3. LAN switches operate at layer 2. Ethernet hubs operate at layer 1. Word processing applications communicate to the Application layer interface, but do not operate at layer 7, so the answer would be none.
Discussion:
2 comments Page 1 of 1.
Siddiqueiceiu said:   1 decade ago
What is difference between layer 3, layer 2, layer 1?
(1)
Pramod said:   1 decade ago
Layer 7 is application layer.
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